›› 2012, Vol. 39 ›› Issue (2): 125-128.

• 遗传繁育 • 上一篇    下一篇

不同生殖周期阶段对犬卵巢卵母细胞体外发育的影响

李继鹏1, 王锡香2, 尹熙俊1, 崔成都1   

  1. 1. 延边大学农学院,吉林延吉 133002;2. 通化师范学院,吉林通化 134001
  • 收稿日期:2011-07-08 修回日期:1900-01-01 出版日期:2012-02-20 发布日期:2012-02-20
  • 通讯作者: 崔成都

Effects of the Different Reproductive Stage on IVM of Canine Oocytes

LI Ji-peng1, WANG Xi-xiang2, YIN Xi-jun1, CUI Cheng-du1   

  1. 1. Agricultural College of Yanbian University,Yanji 133002,China;2. Tonghua Normal College,Tonghua 134001,China
  • Received:2011-07-08 Revised:1900-01-01 Online:2012-02-20 Published:2012-02-20

摘要: 试验以屠宰场犬卵巢为材料,研究了不同生殖周期阶段(卵泡期、黄体期和乏情期)对犬卵母细胞体外发育的影响。结果表明,从卵泡期卵巢采集A类COCs的数量为22.67±11.02个,显著高于黄体期10.67±5.51个和乏情期7.25±4.92个(P<0.05);体外培养48 h时,卵泡期、黄体期和乏情期卵母细胞达到MⅠ-MⅡ期比率分别为19.2%±15.3%、26.8%±21.1%、9.8%±10.4%,卵泡期与黄体期之间差异不显著(P>0.05),但两者均显著高于乏情期(P<0.05);体外培养72 h时,卵泡期、黄体期和乏情期卵母细胞达到MⅠ-MⅡ期比率分别为25.2%±13.5%、6.6%±6.7%、9.2%±5.5%,卵泡期显著高于黄体期和乏情期(P<0.05)。同时,随体外培养时间延长,不同生殖周期阶段犬卵母细胞达到MⅠ-MⅡ期比率存在不同变化。说明不同生殖周期阶段对犬卵巢卵母细胞体外发育有一定影响,且与培养时间有关。

关键词: 犬; 生殖周期; 卵巢; 卵母细胞; 体外成熟

Abstract: Canine ovaries collected from slaughterhouse were used, the effects of the different reproductive stage (follicular stage, corpus luteum stage and anestrus stage ) on IVM of canine oocytes were studied. The results showed that the number of A level COCs from follicular stage was 22.67±11.02, significant higher than other groups (P<0.05). After culture for 48 h, the percentage of oocytes developmented to MⅠ-MⅡ at various stages were 19.2%±15.3%, 26.8%±21.1%, 9.8%±10.4%, there was no significant difference between follicular stage and corpus luteum stage(P>0.05), but both were significantly higher than anestrus stage (P<0.05). After culture for 72 h, the percentage of oocytes developmented to MⅠ-MⅡ at various stages were 25.2%±13.5%, 6.6%±6.7% and 9.2%±5.5%, follicular stage significantly higher than other groups(P<0.05). It was found that different reproductive cycle stages of canine ovaries oocytes had certain influence on IVM, but also related with the culture time.

Key words: canine; reproductive stage; ovary; oocyte; IVM

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